\begin{table}
\centering
\caption{Sign Generalization (Figure 4) in table form. \label{tab:sign}}
\centering
\resizebox{\ifdim\width>\linewidth\linewidth\else\width\fi}{!}{
\begin{tabular}[t]{lrrrrrrrr}
\toprule
\multicolumn{1}{c}{ } & \multicolumn{2}{c}{Democratic Peace} & \multicolumn{2}{c}{Audience Costs} & \multicolumn{2}{c}{International Law} & \multicolumn{2}{c}{Reciprocity (FDI)} \\
\cmidrule(l{3pt}r{3pt}){2-3} \cmidrule(l{3pt}r{3pt}){4-5} \cmidrule(l{3pt}r{3pt}){6-7} \cmidrule(l{3pt}r{3pt}){8-9}
Samples & Threshold (DP) & P Value (DP) & Threshold (AC) & P Value (AC) & Threshold (IL) & P Value (IL) & Threshold (FDI) & P Value (FDI)\\
\midrule
Brazil & 4 & 0.00 & 2 & 0 & 2 & 0.00 & 4 & 0.00\\
Germany & 3 & 0.00 & 1 & 0 & 7 & 0.05 & 5 & 0.00\\
India & 7 & 0.41 & 7 & 0 & 6 & 0.05 & 6 & 0.00\\
Israel & 1 & 0.00 & 3 & 0 & 4 & 0.00 & 2 & 0.00\\
Japan & 5 & 0.02 & 4 & 0 & 5 & 0.01 & 7 & 0.01\\
\addlinespace
Nigeria & 6 & 0.09 & 6 & 0 & 1 & 0.00 & 3 & 0.00\\
USA & 2 & 0.00 & 5 & 0 & 3 & 0.00 & 1 & 0.00\\
\bottomrule
\end{tabular}}
\end{table}
